Imaging of the transverse cerebral fissure at three-tesla MR fetal autopsy.

IF 1.7 4区 医学 Q3 OBSTETRICS & GYNECOLOGY Journal of Maternal-Fetal & Neonatal Medicine Pub Date : 2024-12-01 Epub Date: 2024-11-03 DOI:10.1080/14767058.2024.2421289
Luca Caschera, Simone Nava, Valentina Genovese, Francesco Maria Lo Russo, Guido Del Vecchio, Elisa Scola, Silvia Casale, Luciano Lombardi, Giorgio Conte, Fabio Triulzi
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引用次数: 0

Abstract

Introduction: The transverse cerebral fissure of Bichat is a complex anatomic space formed by a median portion (the velum interpositum) and two oblique lateral branches terminating anteriorly at the medial temporal lobes. Its complexity derives from both its embryological development and from its own nature of "virtual anatomic space". Previous imaging studies have addressed the issue of its anatomical description by using pneumoencephalography or transcranial ultrasound and magnetic resonance imaging especially in those cases with expansile lesions into its anatomical borders.

Methods: We describe the transverse cerebral fissure anatomy in two 20th gestational week fetuses studied with three-tesla MR fetal autopsy with an eye to its embryological development.

Results: We were able to define its anatomical borders thanks to the presence of hemosiderin components that spontaneously layered inside its slit-like boundaries as result of postmortem phenomena and that were depica as T2 hypointensity on MR images.

Conclusions: This Pictorial essay aims to give a concise and novel description of the transverse cerebral fissure: a deep understanding of the Bichat's fissure embryology and anatomy can help to identify and correctly locate abnormalities arising from this virtual anatomic space in the everyday clinical practice.

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三特斯拉核磁共振胎儿尸检的大脑横裂成像。
简介比夏特大脑横裂是一个复杂的解剖空间,由中间部分(velum interositum)和两个斜侧分支形成,前端终止于颞叶内侧。其复杂性既源于胚胎发育,也源于其自身 "虚拟解剖空间 "的性质。以往的影像学研究通过使用气脑成像或经颅超声和磁共振成像来解决其解剖描述问题,尤其是在病变扩展到其解剖边界的病例中:方法:我们描述了两个妊娠20周胎儿的大脑横裂解剖结构,并对其胚胎发育情况进行了三特斯拉磁共振胎儿解剖研究:结果:我们能够确定横脑裂的解剖边界,这要归功于横脑裂缝状边界内血色素成分的存在,这些血色素是死后现象自发分层的结果,在核磁共振图像上表现为T2低密度:本图解文章旨在对大脑横裂进行简洁而新颖的描述:深入了解比夏特氏裂的胚胎学和解剖学有助于在日常临床实践中识别和正确定位这一虚拟解剖空间所产生的异常。
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来源期刊
CiteScore
4.40
自引率
0.00%
发文量
217
审稿时长
2-3 weeks
期刊介绍: The official journal of The European Association of Perinatal Medicine, The Federation of Asia and Oceania Perinatal Societies and The International Society of Perinatal Obstetricians. The journal publishes a wide range of peer-reviewed research on the obstetric, medical, genetic, mental health and surgical complications of pregnancy and their effects on the mother, fetus and neonate. Research on audit, evaluation and clinical care in maternal-fetal and perinatal medicine is also featured.
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